CFR›Title 25›Chapter I›Part 39›Subpart B›Subject Group Geographic Isolation Adjustment ContainsSection 39.160CorpusDaily eCFRDisplayed edition2026-06-12Last updated2026-06-12 Sections 39.160 § 39.160 Does ISEF provide supplemental funding for extraordinary costs related to a school's geographic isolation? Previous Base and Supplemental Funding Base and Supplemental Funding Next Gifted and Talented Programs Gifted and Talented Programs